/* ────────────────────────────────────────────────────────────
   TopMark · ATP Simulation styles
   Shared across all sim-*.html pages.
   Companion to fx.css / styles.css — DO NOT duplicate variables.
   ──────────────────────────────────────────────────────────── */

.sim-back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--fx-ink-muted); font-size: .88rem; text-decoration: none;
  margin-bottom: 8px; transition: color .15s ease;
}
.sim-back:hover { color: var(--fx-accent); }

.sim-layout {
  display: grid; gap: 20px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  margin-top: 28px;
}
@media (max-width: 1080px) { .sim-layout { grid-template-columns: 1fr; } }

.sim-stage {
  padding: 22px;
  position: sticky; top: 88px;
  align-self: start;
}
@media (max-width: 1080px) { .sim-stage { position: static; } }

.sim-canvas {
  display: block; width: 100%;
  background: linear-gradient(180deg, #e6e9f5 0%, #d4d8eb 60%, #c4c8df 100%);
  border-radius: 14px;
  border: 1px solid var(--fx-line);
  touch-action: none; user-select: none;
}
[data-theme="dark"] .sim-canvas {
  background: linear-gradient(180deg, #1c1d2a 0%, #14151f 60%, #0e0f17 100%);
}
.sim-canvas.grabbable { cursor: grab; }
.sim-canvas.grabbing  { cursor: grabbing; }

/* ── Phase banner ──────────────────────────────────────────── */
.phase-banner {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 10px;
  font-size: .9rem; line-height: 1.45;
  margin-bottom: 12px;
  border: 1px solid transparent;
}
.phase-banner strong { font-weight: 700; }
.phase-banner em { font-style: normal; font-weight: 600; color: var(--fx-accent); }
.phase-banner .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.phase-banner.phase-setup     { background: rgba(79, 70, 229, .08);  border-color: rgba(79, 70, 229, .18);  color: var(--fx-ink); }
.phase-banner.phase-setup     .dot { background: var(--fx-accent); }
.phase-banner.phase-running   { background: rgba(16, 185, 129, .10); border-color: rgba(16, 185, 129, .22); color: var(--fx-ink); }
.phase-banner.phase-running   .dot { background: var(--green, #10b981); }
.phase-banner.phase-recording { background: rgba(219, 39, 119, .10); border-color: rgba(219, 39, 119, .25); color: var(--fx-ink); }
.phase-banner.phase-recording .dot { background: var(--fx-accent-3, #db2777); animation: simpulse 1.2s infinite; }
@keyframes simpulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
[data-theme="dark"] .phase-banner.phase-setup     { background: rgba(129, 140, 248, .12); }
[data-theme="dark"] .phase-banner.phase-running   { background: rgba(16, 185, 129, .14); }
[data-theme="dark"] .phase-banner.phase-recording { background: rgba(251, 113, 133, .14); }

/* ── Stopwatch / counter ───────────────────────────────────── */
.sim-stopwatch {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-top: 14px; padding: 12px 16px;
  background: var(--fx-bg-2); border-radius: 12px;
  border: 1px solid var(--fx-line);
}
.stopwatch-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem; font-weight: 700;
  color: var(--fx-ink);
  letter-spacing: -0.02em;
  min-width: 130px;
}
.stopwatch-display.recording { color: var(--fx-accent-3); }
.stopwatch-display.recording::before {
  content: ''; display: inline-block;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--fx-accent-3); margin-right: 8px;
  vertical-align: 1px;
  animation: simpulse 1.2s infinite;
}
.counter { font-size: .9rem; color: var(--fx-ink-muted); font-family: 'JetBrains Mono', monospace; }
.counter strong { color: var(--fx-ink); font-weight: 700; }

.sim-controls-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }

/* ── Buttons ───────────────────────────────────────────────── */
.pbtn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--fx-line-strong);
  background: var(--fx-card);
  color: var(--fx-ink);
  padding: 10px 16px; border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem; font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, transform .1s ease, box-shadow .15s ease, border-color .15s ease;
  box-shadow: var(--fx-shadow-sm);
}
.pbtn:hover    { background: var(--fx-bg-2); border-color: var(--fx-accent); color: var(--fx-accent); }
.pbtn:active   { transform: translateY(1px); }
.pbtn:disabled { opacity: .45; cursor: not-allowed; pointer-events: none; }

.pbtn-primary {
  background: linear-gradient(135deg, var(--fx-accent), var(--fx-accent-2));
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 4px 16px -6px rgba(79, 70, 229, .55);
}
.pbtn-primary:hover {
  background: linear-gradient(135deg, var(--fx-accent-2), var(--fx-accent));
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -6px rgba(79, 70, 229, .65);
}

.pbtn-danger {
  background: var(--fx-card);
  color: var(--fx-accent-3);
  border-color: rgba(219, 39, 119, .35);
}
.pbtn-danger:hover { background: rgba(219, 39, 119, .08); color: var(--fx-accent-3); }

/* Success / record action — green, readable in light + dark */
.pbtn-success {
  background: var(--green, #10b981);
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 4px 16px -6px rgba(16, 185, 129, .5);
}
.pbtn-success:hover {
  background: #059669;
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -6px rgba(16, 185, 129, .6);
}
[data-theme="dark"] .pbtn-success { background: #10b981; }
[data-theme="dark"] .pbtn-success:hover { background: #34d399; color: #06281c; }

.speed-pills {
  display: inline-flex; gap: 2px; background: var(--fx-bg);
  border-radius: 999px; padding: 3px;
  border: 1px solid var(--fx-line);
}
.speed-pills button {
  border: none; background: transparent; padding: 5px 12px;
  font-family: inherit; font-size: .82rem; font-weight: 600;
  color: var(--fx-ink-muted);
  border-radius: 999px; cursor: pointer;
}
.speed-pills button.active {
  background: var(--fx-card); color: var(--fx-accent);
  box-shadow: var(--fx-shadow-sm);
}

/* ── Right side panels ────────────────────────────────────── */
.sim-side { display: flex; flex-direction: column; gap: 16px; }
.sim-side .fx-panel { padding: 20px; }
.sim-side .fx-panel h3 {
  font-family: 'Inter Tight', system-ui, sans-serif;
  font-size: 1.05rem; font-weight: 700;
  margin: 0 0 14px 0; color: var(--fx-ink);
}
.sim-side .fx-panel h3 small {
  font-weight: 400; color: var(--fx-ink-muted);
  font-size: .82rem; margin-left: 4px;
}

/* ── Slider row ────────────────────────────────────────────── */
.var-row {
  display: grid; grid-template-columns: 130px 1fr 78px;
  align-items: center; gap: 12px;
  padding: 8px 0;
}
@media (max-width: 480px) {
  .var-row { grid-template-columns: 100px 1fr 64px; gap: 8px; }
}
.var-row label { font-size: .9rem; color: var(--fx-ink-soft); }
.var-row label small {
  display: block; color: var(--fx-ink-muted);
  font-size: .73rem; margin-top: 2px;
  font-family: 'JetBrains Mono', monospace;
}
.var-row input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px;
  background: var(--fx-line-strong); border-radius: 4px; outline: none;
  cursor: pointer;
}
.var-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--fx-accent); border: 2px solid var(--fx-card);
  box-shadow: 0 1px 4px rgba(79,70,229,.4); cursor: pointer;
}
.var-row input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--fx-accent); border: 2px solid var(--fx-card);
  cursor: pointer;
}
.var-row .readout {
  font-family: 'JetBrains Mono', monospace;
  font-size: .92rem; font-weight: 600;
  color: var(--fx-ink); text-align: right;
}
.var-row select, .var-row input[type="number"] {
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem;
  padding: 7px 10px;
  border: 1px solid var(--fx-line-strong);
  border-radius: 8px;
  background: var(--fx-card);
  color: var(--fx-ink);
  width: 100%;
}
.var-row .preset-pills {
  grid-column: 2 / span 2;
  display: flex; gap: 4px; flex-wrap: wrap;
  margin-top: 4px;
}
.var-row .preset-pills button {
  border: 1px solid var(--fx-line); background: var(--fx-card);
  color: var(--fx-ink-soft);
  padding: 3px 8px; border-radius: 999px;
  font-size: .75rem; font-family: 'JetBrains Mono', monospace;
  cursor: pointer; transition: all .15s ease;
}
.var-row .preset-pills button:hover,
.var-row .preset-pills button.active { color: var(--fx-accent); border-color: var(--fx-accent); }

.sim-warn {
  display: none; font-size: .82rem; line-height: 1.5;
  margin-top: 10px; padding: 10px 12px; border-radius: 8px;
  background: var(--amber-light, #fef3c7); color: #92400e;
  border: 1px solid rgba(245, 158, 11, .25);
}
[data-theme="dark"] .sim-warn {
  background: rgba(245, 158, 11, .12); color: #fbbf24;
  border-color: rgba(245, 158, 11, .25);
}

/* ── Readouts grid ─────────────────────────────────────────── */
.readout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.readout-cell {
  padding: 12px; border-radius: 10px;
  background: var(--fx-bg-2); border: 1px solid var(--fx-line);
}
.readout-cell .label {
  font-size: .72rem; color: var(--fx-ink-muted);
  text-transform: uppercase; letter-spacing: .04em; font-weight: 600;
}
.readout-cell .value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem; font-weight: 700;
  color: var(--fx-ink); margin-top: 4px;
}
.readout-cell.accent { background: var(--fx-aurora-soft); border-color: transparent; }
.readout-cell.accent .value { color: var(--fx-accent); }
.readout-cell.wide { grid-column: 1 / -1; }
.sim-note {
  grid-column: 1 / -1;
  font-size: .78rem; color: var(--fx-ink-muted);
  text-align: center; padding: 6px 0;
  font-style: italic;
}

/* ── Trial table ───────────────────────────────────────────── */
.trials-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.trials-table th, .trials-table td {
  padding: 8px 6px; text-align: right;
  border-bottom: 1px solid var(--fx-line);
  font-family: 'JetBrains Mono', monospace;
}
.trials-table th {
  font-weight: 600; color: var(--fx-ink-soft);
  font-size: .76rem; text-transform: uppercase;
  letter-spacing: .04em; font-family: 'DM Sans', sans-serif;
}
.trials-table th:first-child, .trials-table td:first-child {
  text-align: left; width: 28px; color: var(--fx-ink-muted);
}
.trials-table td.actions { width: 32px; text-align: right; }
.trials-table .del-btn {
  border: none; background: transparent; color: var(--fx-ink-muted);
  cursor: pointer; font-size: .9rem; padding: 2px 6px; border-radius: 4px;
}
.trials-table .del-btn:hover { color: var(--fx-accent-3); background: var(--fx-line); }
.trials-empty {
  text-align: center; padding: 18px;
  color: var(--fx-ink-muted); font-size: .88rem;
  background: var(--fx-bg-2); border-radius: 10px;
}

/* ── Chart ─────────────────────────────────────────────────── */
.sim-chart {
  display: block; width: 100%;
  aspect-ratio: 5 / 3;
  background: var(--fx-bg-2);
  border-radius: 10px;
  border: 1px solid var(--fx-line);
  margin-top: 6px;
}
.fit-info {
  margin-top: 12px; padding: 12px 14px; border-radius: 10px;
  background: var(--fx-aurora-soft);
  font-size: .9rem; line-height: 1.6;
}
.fit-info strong   { color: var(--fx-accent); font-family: 'JetBrains Mono', monospace; }
.fit-info .err-good { color: var(--green, #10b981); font-weight: 600; }
.fit-info .err-bad  { color: var(--red,   #ef4444); font-weight: 600; }

/* ── Accordions ────────────────────────────────────────────── */
.sim-side details {
  border: 1px solid var(--fx-line); border-radius: 10px;
  margin-bottom: 10px; overflow: hidden;
}
.sim-side details summary {
  padding: 12px 16px; cursor: pointer;
  font-weight: 600; font-size: .95rem;
  list-style: none; user-select: none;
  transition: background .15s ease;
}
.sim-side details summary:hover { background: var(--fx-bg-2); }
.sim-side details summary::-webkit-details-marker { display: none; }
.sim-side details summary::after {
  content: '+'; float: right;
  font-family: 'JetBrains Mono', monospace;
  color: var(--fx-ink-muted); font-weight: 400;
}
.sim-side details[open] summary::after { content: '−'; }
.sim-side details[open] summary { border-bottom: 1px solid var(--fx-line); }
.sim-side details .body {
  padding: 14px 16px; font-size: .92rem;
  color: var(--fx-ink-soft); line-height: 1.65;
}
.sim-side details .body ol,
.sim-side details .body ul { padding-left: 22px; margin: 0; }
.sim-side details .body li { margin-bottom: 8px; }
.sim-side details .body p { margin-top: 10px; }
.sim-side details .body em { font-style: normal; font-weight: 600; color: var(--fx-ink); }

/* ── Misc ──────────────────────────────────────────────────── */
kbd {
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
  padding: 2px 6px; border-radius: 4px;
  background: var(--fx-bg-2);
  border: 1px solid var(--fx-line);
  color: var(--fx-ink-soft);
}
.badge-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.syllabus-badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  font-size: .72rem; font-weight: 600;
  background: var(--fx-bg-2); color: var(--fx-ink-soft);
  border: 1px solid var(--fx-line);
}

/* Segmented control for multi-method experiments */
.seg-control {
  display: inline-flex; gap: 4px;
  background: var(--fx-bg-2);
  border-radius: 10px; padding: 4px;
  border: 1px solid var(--fx-line);
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.seg-control button {
  border: none; background: transparent;
  padding: 8px 14px; border-radius: 7px;
  font-family: inherit; font-size: .85rem; font-weight: 600;
  color: var(--fx-ink-muted); cursor: pointer;
  transition: all .15s ease;
}
.seg-control button.active {
  background: var(--fx-card); color: var(--fx-accent);
  box-shadow: var(--fx-shadow-sm);
}
.seg-control button:hover:not(.active) { color: var(--fx-ink); }